Paronychia of mycotic origin is an inflammation of the paronychial canal caused by fungi from the deuteromycetes group. Due to the involvement of the fungal stalk or hyphae in the process. Most often, the pathology is diagnosed in adults. Mostly women of working age are affected. According to different sources, statistics look different - from 21 to 68%. The main pathogens of the pathology are fungi of the species Geotrichum capitatum and Trichophyton mentagrophytes, Candida albicans, Aspergillus spp., as well as molds Aureobasidium pullulans, Fusarium spp. Only one out of 30 diagnoses is presented to doctors as an isolated lesion